1. Lithologic cross sections of phanerozoic rocks in the northern midcontinent, U.S.A Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
2. Lithologic map of the western part of the Springerville volcanic field, east-central Arizona Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading